Device brand name · Aid surgical viscoelastic

Duovisc: medical device reports filed with FDA

160 reports name it, 1999–2017. Manufacturer given most often on reports: Alcon - Belgium/ Alcon-Couvreur. Product code LZP.

Read first · FDA's statement on these data

Adverse event reports submitted to FDA do not undergo extensive validation or verification. Therefore, a causal relationship cannot be established between product and reactions listed in a report. While a suspected relationship may exist, it is not medically validated and should not be the sole source of information for clinical decision making or other assumptions about the safety or efficacy of a product. Additionally, it is important to remember that adverse event reports represent a small percentage of total usage numbers of a product. Common products may have a higher number of adverse events due to the higher total number of people using the product. openFDA, FDA

FDA adds: "Although MDRs are a valuable source of information, this passive surveillance system has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data. In addition, the incidence or prevalence of an event cannot be determined from this reporting system alone due to potential under-reporting of events and lack of information about frequency of device use." And: "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices."

Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated.

Not medical advice. This site counts what was reported to FDA. Questions about a medicine or device belong with a pharmacist or clinician.

160
device reports naming the brand: 0% of all MAUDE reports · about 6 a year; 0
reports, 12 months to August 2026: 0 in the 12 months before; 3.8%
classified as malfunction: 30.2% across the product code; 0%
classified as death, as reported: 0 reports · not verified by FDA

160 medical device reports received by FDA name the brand "Duovisc" (aid surgical viscoelastic); the manufacturer given most often on reports is Alcon - Belgium/ Alcon-Couvreur; received from September 1999 to December 2017. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

0 reports arrived in the 12 months to August 2026, and none in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are injury (94.4%), malfunction (3.8%) and other (1.9%); across all aid, surgical, viscoelastic reports (product code LZP) death is recorded in 0% and malfunction in 30.2%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are insufficient device problem information (11.9%), device contamination with chemical or other material (1.3%) and detachment of device component (0.6%). The patient problems coded most often are inflammation, treatment with medication(s) and therapy/non-surgical treatment, additional. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Reports by month, five years

No report naming Duovisc was received in the five years to August 2026; the latest was received in December 2017.

By year received

Event type and report source

Event type, as classified on the report

Death0%0

Injury94.4%151

Malfunction3.8%6

Other1.9%3

Not given0%0

Who filed the report

Manufacturer report95%152

Voluntary report3.8%6

User facility report0%0

Distributor report0%0

Not given1.3%2

Grey bar: all 2,952 reports carrying product code LZP. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)	Reports	Share	Share across product code
Insufficient device problem information	19	11.9%	5.3%
Device contamination with chemical or other material	2	1.3%	7.6%
Detachment of device component	1	0.6%	4.4%
Device remains activated	1	0.6%	0%
Device, removal of (non-implant)	1	0.6%	0.3%
Foreign material	1	0.6%	0.5%
Other (for use when an appropriate device code cannot be identified)	1	0.6%	1.1%
Patient-device incompatibilitythe device did not suit the patient	1	0.6%	0.4%

FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.

Patient problems coded

Patient problem (FDA code)	Reports	Share
Inflammationinflammation	125	78.1%
Treatment with medication(s)	40	25%
Therapy/non-surgical treatment, additional	19	11.9%
Other (for use when an appropriate patient code cannot be identified)	14	8.8%
Toxic shock syndrome	9	5.6%
Endophthalmitisinfection inside the eye	6	3.8%
Corneal edema	5	3.1%
Visual impairmentreduced vision	5	3.1%
Hypopyon	4	2.5%
Intraocular pressure increasedraised pressure in the eye	4	2.5%
Vitrectomy	4	2.5%
Blurred vision	3	1.9%
Toxicity	3	1.9%
Uveitis	3	1.9%
Eye burn	2	1.3%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

Measure	Duovisc	Product code LZP	All MAUDE reports
Reports	160	2,952	26,136,888
Share of that pool	—	5.4%	0%
Classified as death, per 1,000 reports	0	0	9
Classified as injury	94.4%	68%	36.2%
Classified as malfunction	3.8%	30.2%	62.3%
Filed by the manufacturer	95%	96.4%	94.9%

Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Other brands with product code LZP

Brand	Reports	Latest 12 months	Classified as death
Healon	242	0	0.4%
VISCOAT Ophthalmic ViscoSurgical Device	229	40	0%
Viscoat	220	0	0.5%
PROVISC Ophthalmic ViscoSurgical Device	175	30	0%
Animas Insulin Infusion Pump	26,293	0	0.3%
Essure	74,072	435	0.2%
Ligaclip Endoscopic Rotating Multiple Clip Applier 20 Large	308	0	0%
Veritas Collagen Matrix	206	0	0.5%

Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."

Questions about Duovisc reports

How many FDA reports name Duovisc?

160 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 0 in the latest 12 months.

What kinds of events are reported?

injury (94.4%), malfunction (3.8%) and other (1.9%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

insufficient device problem information (11.9%), device contamination with chemical or other material (1.3%), detachment of device component (0.6%), device remains activated (0.6%) and device, removal of (non-implant) (0.6%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (95%) and voluntary reports (3.8%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Duovisc was at fault?

No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."

How do I report a problem with a medical device?

Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.